*{padding: 0;margin: 0;}
a{text-decoration: none;}
img{
    width: 250px;
    height: 250px;
}
button{
    padding: 0px 10px;
    color: white;
    border-color: rgba(6, 6, 255, 0.644);
    background-color: rgba(6, 6, 255, 0.644);
    border-radius: 20px;
}
span{
    cursor: default;
}
/* login */
.login-header{
    height: 80px;
}
.login-header img{
    padding: 13px 20px;
    width: 200px;
    height: 80px;
}
.login{
    position:absolute;
    background-position:center;
    background-image:url(./image/背景.png);
    background-repeat: no-repeat;
    background-size: cover;
    height: 500px;
    width: 100%;
}
.login-form {
    padding: 30px 25px;
    padding-bottom: 8px;
    border: 1px solid #ccc;
    border-radius: 10px;
    background-color: white;
    max-width: 300px;
    margin-left: 800px;
    margin-top: 110px;
}
.login-form-button {
    width: 100%;
}

/* header */
.header{
    height: 50px;
    padding-left: 30px;
    color:rgb(0, 157, 255);
    background-color: rgb(207, 247, 253);
    line-height: 50px;
}
.header span{
    font-size: large;
    font-weight: bold;
}
.username{
    margin-left:900px;
}

/* home */
.home{
    width: 1200px;
    margin: 0 auto;
}
.goods-list{
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
}
.goods-list>div:nth-child(4n){
    margin-right: 0px;
}

/* collect */
.collect{
    width: 1200px;
    margin: 0 auto;
}
.col-goods-list{
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
}
.col-goods-list>div:nth-child(4n){
    margin-right: 0px;
}
/* collect and home goods */
.goods{
    border: 1px solid #ccc;
    padding: 10px 10px;
    border-radius: 5px;
    margin-top: 10px;
    margin-bottom: 10px;
    margin-right: 37px;
}